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<h1>已打开文件操作</h1>
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<span id=":ls">:ls</span>                 <span>查案缓存列表</span>
<span id=":bn">:bn</span>                 <span>切换到下一个缓存</span>
<span id=":bp">:bp</span>                 <span>切换到上一个缓存</span>
<span id=":bd">:bd</span>                 <span>删除缓存</span>
<span id=":b 1">:b 1</span>                <span>切换到1号缓存</span>
<span id=":b abc">:b abc</span>              <span>切换到文件名为 abc 开头的缓存</span>
<span id=":badd &lt;filename&gt;">:badd &lt;filename&gt;</span>    <span>将文件添加到缓存列表</span>
<span id=":set hidden">:set hidden</span>         <span>设置隐藏模式（未保存的缓存可以被切换走，或者关闭）</span>
<span id=":set nohidden">:set nohidden</span>       <span>关闭隐藏模式（未保存的缓存不能被切换走，或者关闭）</span>
<span id="n CTRL-^">n CTRL-^</span>            <span>切换缓存，先输入数字的缓存编号，再按 CTRL + 6</span>
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